Veterinary World


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Copyright: The authors. This article is an open access article licensed under the terms of the Creative Commons Attribution License ( which permits unrestricted use, distribution and reproduction in any medium, provided the work is properly cited.

Research (Published online : 11-04-2013)

5. Gastrointestinal helminth parasites of pet and stray dogs as a potential risk for human health in Bahir Dar town, north-western Ethiopia - Tadiwos Abere, Basaznew Bogale and Achenef Melaku
Vet World. 2013; 6(7): 388-392


Aim: A cross-sectional study was carried out from November 2011 to April 2012 to determine the prevalence and species of gastrointestinal (GI) helminth parasites in pet and stray dogs as a potential risk for human health in Bahir Dar town, north-western Ethiopia.

Materials and Methods: A total of 384 and 46 faecal samples were collected from pet and stray dogs, respectively and examined by using standard coprologic techniques.

Results: The overall prevalence of GI helminth infection in pet and stray dogs was 75.26 and 84.78%, respectively. The detected parasites with their frequencies in pet dogs were Ancylostoma caninum (78.89%), Toxocara canis (39.79%), Dipylidium caninum (29.75%), Strongyloides stercoralis (29.06%), Taeniidae (23.87%) and Trichuris vulpis (7.95%). Stray dogs were found more likely to be polyparasitized and presented higher prevalence of A. caninum, T. canis, S. stercoralis, Trichuris vulpis and Taeniidae (P < 0.05) than domiciled ones. Diphyllobothrium latum was detected only in 10.25% of stray dogs. Toxocara canis and A. caninum (P < 0.05) were detected more frequently in dogs with less than 6 months of age (P < 0.05) than old age dogs. The sex or breed groups didn't significantly affect the prevalence of parasites. A significant variation was recorded (P < 0.05) between different feeding systems where higher prevalence was observed in uncontrolled feeding group (82.18%) compared to controlled feeding (32.08%).

Conclusion: Different gastrointestinal parasites in pet and stray dogs were identified in the study area that can potentially infect humans and cause serious public-health problems. Thus, concerted efforts should therefore be made to educate dog owners to embrace modern dog disease control programs and measures have to be taken on stray dogs.

Keywords: Bahir Dar, dog, Ethiopia, gastrointestinal, helminth, prevalence